Text-to-Speech

Qwen3 TTS VoiceDesign

Create custom voices from a text description, with natural-language control over timbre, emotion, and accent.

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Capabilities

What you can do with Qwen3 TTS VoiceDesign.

Text-to-Speech

Turn any text into lifelike, natural-sounding audio. Multiple voices and languages for accessibility, e-learning, and content creation.

Technical Specifications

Text Length

10–5000 characters

Output Format

MP3 at 24 kHz

Default Voice

default

How to use in deAPI

Integrate Qwen3 TTS VoiceDesign into your app with a single API call.

POST https://api.deapi.ai/api/v1/client/txt2audio

curl · deAPI txt2audio

curl -X 'POST' \
  'https://api.deapi.ai/api/v1/client/txt2audio' \
  -H 'accept: application/json' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "Qwen3_TTS_12Hz_1_7B_VoiceDesign",
    "text": "Hello, welcome to deAPI. The fastest way to use AI models.",
    "voice": "af_heart"
}'{
    "model": "Qwen3_TTS_12Hz_1_7B_VoiceDesign",
    "text": "Hello, welcome to deAPI. The fastest way to use AI models.",
    "voice": "af_heart"
}

Tip: The API returns a request_id. Use webhooks (recommended) or poll GET /request-status/{request_id} for results.

Need an API key?

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9 premium voices (male & female). 10 languages: EN, ZH, JA, KO, DE, FR, RU, PT, ES, IT. Instruction-driven emotion & prosody control. Streaming with 97ms latency. Output: MP3 at 24...

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Qwen3 TTS VoiceDesign for Free

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